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Product specification

• Caliber No¡êo4R38
  
• Drive system¡êoMechanical automatic winding (with hand winding)
  
• accuracy¡êoDay difference 45 seconds to -35 seconds
  
• Driving period¡êoIt lasts about 41 hours at maximum hoisting
  
• Case material¡êoStainless steel back cover: Stainless steel and glass
  
• Glass material¡êoBox type hard rex
  
• Band material¡êoLeather (calf)
  
• Nakadome¡êoOne-push three-fold method
  
• waterproof¡êoReinforced waterproof for daily life (5 atm)
  
• Magnetic resistance¡êoYes
  
• Case size¡êothickness: 11.8Mm horizontal:40.5Mm length:47.5 Mm
  
• weight¡êo70.0 g
  
• Arm length (longest)¡êo195 Mm
  
• Other specifications¡êo
  See-through back
  Screw back (Due to manufacturing reasons, the direction of the back cover may differ from one to another)